By Cristian Araneda, Roberto Neira, Natalia Lam (auth.), Thomas Kocher, Chittaranjan Kole (eds.)
Mapping of animal genomes has generated large databases and a number of other new options and techniques, that are beneficial to clarify beginning, evolution and phylogeny. Genetic and actual maps of genomes extra supply detailed info on chromosomal position, functionality, expression and law of academically and economically vital genes. The sequence Genome Mapping and Genomics in Animals offers accomplished and updated stories on genomic examine on a wide number of chosen animal platforms, contributed by way of prime scientists from round the world.
This quantity summarizes the 1st period of genomic stories of aquaculture species, during which the instruments and assets essential to aid whole-genome sequencing have been built. those instruments will increase efforts towards selective breeding of aquaculture species. integrated during this quantity are summaries of labor on salmonids, cyprinids, catfish, tilapias, ecu sea bass, jap flounder, shrimps and oysters.
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Extra resources for Genome mapping and genomics in fishes and aquatic animals
2005). This work was performed using two designs, a backcross with three half-sib families and an outbred diallel panel with 40 full-sib families (Perry et al. 2005). Recent evidence shows that the duplicate uncoupling protein genes (UCP2A and UCP2B) map close to the SSR linked to UTT QTLs in both linkage groups in rainbow trout and are candidate genes to explain this temperature tolerance phenotype (Coulibaly et al. 2006). In mammals, the UPC2 gene is involved in multiple functions, including energy balance.
Evidence from rainbow and brown trout shows that in males, large chromosomal regions proximal to the centromere have recombination frequencies close to zero, in comparison with telomeric regions that exhibit higher recombination rates (Sakamoto et al. 2000; Gharbi et al. 2006). 14:1 in favor of males close to the telomere (Sakamoto et al. 2000). 92 (Gilbey et al. 26 (Moen et al. 2004a) in favor of females. 4 in favor of females (Gharbi et al. 69, the lowest published in a salmon (Woram et al. 2004).
A number of segregating individuals are used in each pool, with the objective of minimizing variation not associated with the trait of interest (Michelmore et al. 1991). This approach was used to identify sex-speciﬁc sequence characterized ampliﬁed region (SCAR) markers Omy-163 and OmyP9 linked to the Y chromosome in rainbow trout using AFLP screening (Felip et al. 2005) or RAPD screening (Iturra et al. 2001a). In salmon aquaculture, the sex phenotype is an important commercial trait. Growers prefer to stock all-female ﬁngerlings because they mature later than males (Table 8; Brunelli and Thorgaard 2004).